PROBLEM TO BE SOLVED: To provide a technique which easily makes the direction of an epicardium visible.SOLUTION: There is provided an optical coherence tomography apparatus which axially moves a send-receive unit for continuously sending and receiving light within a tubular tissue, and during the movement, acquires reflection from the tubular tissue and generates images based on the reflection, comprising: an acquisition unit for acquiring one or more cross-sectional images of the tubular tissue based on the reflection a detection unit for detecting branching of the tubular tissue based on the one or more cross-sectional images an estimation unit for estimating the direction of the epicardium based on the type of the tubular tissue and of the branching and a display control unit for causing the a display unit to display the estimation result of the estimation unit.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2017,JPO&INPIT【課題】心外膜の方向を容易に視認する技術を提供する。【解決手段】光の送受信を連続的に行う送受信部を、管状組織において軸方向に移動させながら管状組織からの反射光を取得し、当該反射光に基づいて画像を生成する光干渉断層装置であって、反射光に基づいて管状組織の1以上の断面画像を取得する取得部と、1以上の断面画像に基づいて、管状組織の分枝を検出する検出部と、管状組織の種別と分枝の種別とに基づいて心外膜方向を推定する推定部と、推定部の推定結果を表示部に表示させる表示制御部とを備える。【選択図】 図5
